From 69d0a22091284b81af334082a3736d22f9a5f520 Mon Sep 17 00:00:00 2001
From: Philip Allgaier <mail@spacegaier.de>
Date: Wed, 27 Jan 2021 18:39:03 +0100
Subject: [PATCH] Add check to prevent undefined access during action
 validation (#8257)

---
 src/panels/lovelace/editor/types.ts | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/panels/lovelace/editor/types.ts b/src/panels/lovelace/editor/types.ts
index a42cc8dcb3..2cd040cf37 100644
--- a/src/panels/lovelace/editor/types.ts
+++ b/src/panels/lovelace/editor/types.ts
@@ -96,8 +96,14 @@ export interface EditSubElementEvent {
 }
 
 export const actionConfigStruct = dynamic((_value, ctx) => {
-  const test = actionConfigMap[ctx.branch[0][ctx.path[0]].action];
-  return test || actionConfigStructType;
+  if (ctx.branch[0][ctx.path[0]]) {
+    return (
+      actionConfigMap[ctx.branch[0][ctx.path[0]].action] ||
+      actionConfigStructType
+    );
+  }
+
+  return actionConfigStructType;
 });
 
 const actionConfigStructUser = object({